Books like Mass Effect Ascension
Drew Karpyshyn
Mass Effect Ascension is 336 pages, about 6 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
Blue Mars 14.4 h 
Mars 10.2 h 
To Sleep in a Sea of Stars 16.1 h 
Armada 7.0 h 
Persepolis Rising 10.3 h 
Star Wars 7.0 h 
Star Wars - Dawn of the Jedi - Into the Void 6.5 h 
Ancillary Sword 7.6 h 
Nemesis Games 10.0 h 
Record of a Spaceborn Few 6.6 h 
Aurora 8.6 h 
Star Wars - Master & Apprentice 6.6 h Bar height shows length. Estimated at 250 words a minute.